Technical Data - Leica DISTO D3a BT User Instructions

Cause
245
2nd button pressed
although no Blue-
tooth connection
exists.
252
Temperature too
high
253
Temperature too
low
255
Receiver signal too
weak, measurement
time too long,
distance > 100 m
256
Received signal too
strong
257
Wrong measure-
ment, background
brightness too high
260
Laser beam inter-
rupted
Error Cause
Error Hardware error
Leica DISTO™ D3a BT 776750 gb
Remedy
Establish Bluetooth
connection
Cool down instrument
Warm up instrument
Use target plate
Target too reflective
(use target plate)
Darken target (measure
in different lighting
conditions)
Repeat measurement
Remedy
Switch on/off the
device several times. If
the symbol still
appears, then your
instrument is defective.
Please call your dealer
for assistance.
21

Technical data

Distance
measurements:
Measuring accuracy*
up to 10 m
(2 σ, standard deviation)
Power Range
Technology™:
Range (use target plate
from about 80m)
Smallest unit displayed
Distance measurement
Minimum/maximum
measurement, Continuous
measurement
Area/volume calculation of
room data
Addition / subtraction
Indirect measurement
using Pythagoras
Tilt measurements:
Tilt sensor:
Accuracy
(2 σ, standard deviation)
- to laser beam
- to the housing
Horizontal measurement
Indirect measurement
using tilt sensor (direct
horizontal distance)
Angle measurement using
tilt sensor(± 45°)
typically: ± 1/16 in*
(+/- 1.0mm)
0.05 m to 100 m
2 in. to 325 ft
0.1 mm
± 0.3°
± 0.3°
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